1 files changed, 51 insertions, 0 deletions
diff --git a/spec/ruby/library/yaml/dump_spec.rb b/spec/ruby/library/yaml/dump_spec.rb
new file mode 100644
index 0000000000..c3613521e0
--- /dev/null
+++ b/spec/ruby/library/yaml/dump_spec.rb
@@ -0,0 +1,51 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/common', __FILE__)
+
+# TODO: WTF is this using a global?
+describe "YAML.dump" do
+  after :each do
+    rm_r $test_file
+  end
+
+  it "converts an object to YAML and write result to io when io provided" do
+    File.open($test_file, 'w' ) do |io|
+      YAML.dump( ['badger', 'elephant', 'tiger'], io )
+    end
+    YAML.load_file($test_file).should == ['badger', 'elephant', 'tiger']
+  end
+
+  it "returns a string containing dumped YAML when no io provided" do
+    YAML.dump( :locked ).should match_yaml("--- :locked\n")
+  end
+
+  it "returns the same string that #to_yaml on objects" do
+    ["a", "b", "c"].to_yaml.should == YAML.dump(["a", "b", "c"])
+  end
+
+  it "dumps strings into YAML strings" do
+    YAML.dump("str").should match_yaml("--- str\n")
+  end
+
+  it "dumps hashes into YAML key-values" do
+    YAML.dump({ "a" => "b" }).should match_yaml("--- \na: b\n")
+  end
+
+  it "dumps Arrays into YAML collection" do
+    YAML.dump(["a", "b", "c"]).should match_yaml("--- \n- a\n- b\n- c\n")
+  end
+
+  it "dumps an OpenStruct" do
+    require "ostruct"
+    os = OpenStruct.new("age" => 20, "name" => "John")
+    YAML.dump(os).should match_yaml("--- !ruby/object:OpenStruct\ntable:\n  :age: 20\n  :name: John\n")
+  end
+
+  it "dumps a File without any state" do
+    file = File.new(__FILE__)
+    begin
+      YAML.dump(file).should match_yaml("--- !ruby/object:File {}\n")
+    ensure
+      file.close
+    end
+  end
+end